.topBgImg {
    width: 100%;
}

.top_bg_cooperation_title,
.top_bg_cooperation_sub_title {
    position : absolute;
    left     : 50%;
    transform: translateX(-50%);
}

.top_bg_cooperation_title {
    font-size  : 60px;
    font-family: PingFang-SC-Bold;
    font-weight: 500;
    color      : rgba(244, 244, 244, 1);
    text-shadow: 0px 4px 8px rgba(152, 153, 155, 0.4);
    top        : 220px;
}

.top_bg_cooperation_sub_title {
    font-size  : 36px;
    font-family: PingFang-SC-Medium;
    font-weight: 300;
    color      : rgba(255, 255, 255, 1);
    top        : 306px;
}

.desc_box_button {
    position     : absolute;
    top          : 384px;
    left         : 50%;
    transform    : translateX(-50%);
    width        : 220px;
    height       : 60px;
    line-height  : 60px;
    border       : 2px solid rgba(181, 181, 181, 1);
    border-radius: 8px;
    font-size    : 36px;
    font-family  : PingFang SC;
    font-weight  : 500;
    color        : rgba(255, 255, 255, 1);
    transition   : all .2s;

    &:hover {
        top   : 394px;
        cursor: pointer;
    }
}

.centerBg {
    width            : 100%;
    height           : 410px;
    background-image : url(./../assets/imgs/center_bg.png);
    background-size  : cover;
    position         : absolute;
    z-index          : -1;
    left             : 0;
    background-repeat: no-repeat;

    &.center_bg_1 {
        top                : 1522px;
        background-position: -90px 0;
    }

    &.center_bg_2 {
        top                : 3104px;
        background-position: -30px 0;
    }

}

.what_can_i {
    width     : 754px;
    margin-top: 80px;
}

.what_can_i_txt {
    width      : 300px;
    height     : 28px;
    font-size  : 30px;
    font-family: PingFang-SC-Medium;
    font-weight: 500;
    color      : rgba(51, 51, 51, 1);
    line-height: 18px;
    margin     : 30px auto auto;
}

.cooperation_can_i_desc_box {
    position     : relative;
    margin-top   : 70px;
    margin-bottom: 190px;

    .cooperation_can_i_desc {
        font-size  : 30px;
        font-family: PingFang-SC-Medium;
        font-weight: 500;
        color      : rgba(77, 77, 77, 1);
        position   : absolute;

        .redSpan {
            color: #F9446B;
        }

        &.desc1 {
            top : 64px;
            left: 322px;
        }

        &.desc2 {
            top  : 64px;
            right: 438px;
        }

        &.desc3 {
            bottom: 28px;
            left  : 546px;
        }

        &.desc4 {
            bottom: 28px;
            right : 320px;
        }
    }

    .cooperation_can_i_desc_img {
        width: 320px;
    }
}

.tabs {
    border-bottom : 4px solid #656565;
    padding-bottom: 10px;
    width         : 1100px;
    display       : flex;
    margin        : 0 auto;
    position      : relative;

    .tab {
        width       : 549px;
        font-size   : 48px;
        font-family : PingFang-SC-Bold;
        font-weight : bold;
        color       : rgba(77, 77, 77, 1);
        display     : inline-block;
        border-right: 2px solid #999999;
        cursor      : pointer;

    }

    #lastTab {
        border-right: none;
    }

    .tabLine {
        width        : 550px;
        border-bottom: 4px solid #F9446B;
        position     : absolute;
        bottom       : -4px;
        left         : 0;
        z-index      : 99;
        display      : block;

        &.active {
            left: 50%;
        }
    }
}

.tabBox {
    width     : 100%;
    text-align: left;

    .tabbox1_desc_title {
        margin-top   : 122px;
        font-size    : 48px;
        font-family  : PingFang-SC-Medium;
        font-weight  : 500;
        color        : rgba(77, 77, 77, 1);
        display      : block;
        position     : relative;
        margin-bottom: 66px;
        width        : 672px;

        &.tabbox2_desc_title {
            width: 340px;
        }

        .tabbox1_desc_title_circle {
            width        : 30px;
            height       : 30px;
            border       : 8px solid rgba(241, 117, 90, 1);
            border-radius: 50%;
            position     : absolute;
            top          : -23px;
            right        : -56px;
        }

        &.sub_title {
            width        : 364px;
            font-size    : 36px;
            font-family  : PingFang-SC-Medium;
            font-weight  : 500;
            color        : rgba(77, 77, 77, 1);
            margin-top   : 90px;
            margin-left  : 200px;
            margin-bottom: 70px;

            .tabbox1_desc_title_circle {
                width        : 28px;
                height       : 28px;
                border       : 6px solid rgba(241, 117, 90, 1);
                border-radius: 50%;
                position     : absolute;
                top          : -22px;
                right        : -52px;
            }
        }
    }

    .box1 {
        display: flex;

        .tabbox1_img {
            margin-top  : 94px;
            margin-left : 172px;
            display     : inline-block;
            margin-right: 46px;
            width       : 620px;
            height      : 474px;

            &.tabbox2_img {
                margin-left: 324px;
            }
        }

        .tabbox1_desc {
            display: inline-block;



            .tabbox1_desc_num {
                display       : inline-block;
                vertical-align: middle;
                font-size     : 48px;
                font-family   : PingFang-SC-Bold;
                font-weight   : bold;
                color         : rgba(241, 117, 90, 1);
                margin-left   : 50px;
                margin-right  : 26px;
            }

            .tabbox1_desc_txt {
                display       : inline-block;
                vertical-align: middle;
                font-size     : 24px;
                font-family   : PingFang-SC-Regular;
                font-weight   : 400;
                color         : rgba(77, 77, 77, 1);
            }
        }
    }

    .box2 {
        width        : 100%;
        margin-bottom: 172px;

        .box2_span {
            width      : 336px;
            height     : 42px;
            background : rgba(241, 117, 90, 1);
            display    : inline-block;
            text-align : center;
            line-height: 42px;
            font-size  : 24px;
            font-family: PingFang-SC-Regular;
            font-weight: 400;
            color      : rgba(255, 255, 255, 1);
            margin-left: 180px;

            &.span1 {
                margin-left: 276px;
            }

            &.span4 {
                margin-left: 520px;
            }

            &.span5 {
                margin-left: 208px;
            }
        }
    }

    .box3 {
        display        : flex;
        justify-content: space-between;
        align-items    : center;

        .tabbox3_img,
        .tabbox3_desc {
            display: inline-block;
        }

        .tabbox3_desc {
            margin-left: 413px;
            margin-top : 110px;

            .tabbox3_desc_num {
                width         : 136px;
                height        : 74px;
                text-align    : center;
                line-height   : 74px;
                border-radius : 50%;
                background    : #f1755a;
                color         : #FFFFFF;
                font-family   : PingFang-SC-Medium;
                font-weight   : 500;
                font-size     : 30px;
                display       : inline-block;
                vertical-align: middle;
                margin-right  : 20px;
            }

            .tabbox3_desc_txt {
                display       : inline-block;
                vertical-align: middle;
                font-size     : 24px;
                font-family   : PingFang-SC-Regular;
                font-weight   : 400;
                color         : rgba(77, 77, 77, 1);
            }
        }

        .tabbox3_img {
            width       : 588px;
            margin-right: 342px;
        }
    }

    .box4 {
        width     : 100%;
        position  : relative;
        margin-top: 105px;

        .tabbox4_bgimg {
            width     : 100%;
            display   : block;
            margin-top: 10px;
        }

        .tabbox4_step_img {
            position : absolute;
            left     : 50%;
            top      : 0;
            transform: translateX(-50%);
        }

        .tabbox4_txt {
            font-size  : 18px;
            font-family: PingFang-SC-Regular;
            font-weight: 400;
            color      : #4c4c4c;
            position   : absolute;

            &.tabbox4_txt_1 {
                top : 277px;
                left: 298px;
            }

            &.tabbox4_txt_2 {
                top : 137px;
                left: 608px;
            }

            &.tabbox4_txt_3 {
                top : 297px;
                left: 1068px;
            }

            &.tabbox4_txt_4 {
                right: 530px;
                top  : 10px;
            }

            p {
                margin: 0;
            }

            .fly_txt {
                font-size    : 36px;
                font-family  : PingFang-SC-Medium;
                font-weight  : 500;
                text-align   : center;
                margin-bottom: 15px;
            }

            .fly_bottom_txt {
                font-family: PingFang-SC-Medium;
                font-weight: 500;
                text-align : center;
            }
        }
    }
}